Home / 10,643.72-14,688.34-6,170.07

Finding the Fourth Proportional to 10,643.72, 14,688.34 and 6,170.07

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Solution

The fourth proportional to 10,643.72, 14,688.34 and 6,170.07 is: 8,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.72 : 14,688.34 = 6,170.07 : x
  2. Step 2: Convert to fraction form
    10,643.72/14,688.34 = 6,170.07/x
  3. Step 3: Cross multiply
    10,643.72x = 14,688.34 × 6,170.07
  4. Step 4: Simplify right side
    10,643.72x = 90,628,085.98
  5. Step 5: Solve for x
    x = 90,628,085.98/10,643.72
  6. Step 6: Final answer
    x = 8,514.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.